Name: ________________________ Class: ___________________ Date: __________
ID: A
Unit 03-06 Quiz
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. What are the zeros of the function?
f (x )  x 2  8x  20
a.
b.
____
c.
d.
x  4 and x  5
x  4 and x  5
2. If the zeros of a quadratic function (parabola) are x  2 and x  4 , what is the equation of the Axis of
Symmetry?
a.
b.
____
x  2 and x  10
x  2 and x  10
x0
x1
c.
d.
x2
x3
c.
d.
h (x )  (x  2 ) (x  1)
h (x )  (x  1 ) (x  3) ÊÁË y  3 ˆ˜¯
3.
Consider the graph of the function shown at
the right is h(x).
Which of the below options shows the correct
intercept form of the graph?
a.
b.
____
h (x )  (x  1 ) (x  3)
h (x )  (x  1 ) (x  3)
4.
A baseball is hit by a batter. The following function
describes the height of the baseball as a function of time (t
seconds after the ball was struck):
h  16t 2  48t  2
What was the maximum height of the ball?
a.
b.
16 feet
38 feet
c.
d.
1
48 feet
50 feet
Name: ________________________
____
ID: A
5.
If you place one of the foundation points of the St.Louis
arch at the origin, you could roughly describe it as a
parabola of the equation (where x and y units are both
measured in feet):
2
y  0.00635 (x  315 )  630
How tall is the arch?
a.
b.
200 feet tall
315 feet tall
c.
d.
Completion
Complete each statement.
6. What is the largest zero of the function?
f (x )  x 2  3x  10
Just enter a single number below for your answer.
2
630 feet tall
945 feet tall